Description

The Sylvan Arms 9mm Glock Conversion Block is a drop-in fit to give you a 9mm capable lower without resorting to buying a pistol caliber-specific option. Designed to install in Mil-Spec lowers almost exactly like a standard rifle magazine. Features Easy to install and swap out Accepts popular Glock 9mm magazines Designed to work with Mil-Spec lowers Does NOT include last round bolt hold open